8538 Type S combination starters combine the requirements of motor overload and short circuit protection into one package. 8538 Type S combination starters can be furnished with either a fusible or nonfusible disconnect switch. Class 8538 combination starters are available in NEMA Size 0 through 6. This replacement fuse clip kit is for 8538S pre series D and 8738S pre series E combination starters. Fuse clip kit is for NEMA size 0 or 1 combination starters or 30 A lighting contactors. The replacement fuse clip kit is for class R fuses up to 30 A and up to 600V.